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Generate a random point within a circle (uniformly)

...andom point on BC. Ie. pick a pair of random numbers x and y uniformly on [0,R] giving distances from the center. Our triangle is a thin sliver so AB and BC are essentially parallel. So the point Z is simply a distance x+y from the origin. If x+y>R we fold back down. Here's the complete algorith...
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Twitter's typeahead.js suggestions are not styled (have no border, transparent background, etc.)

I'm using twitter's typeahead.js 0.9.3 and it seems my suggestions are not styled at all. 9 Answers ...
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Matplotlib discrete colorbar

...rm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey. For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap. As an ...
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How can I create a two dimensional array in JavaScript?

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How do I get an object's unqualified (short) class name?

... jeremysawesome 6,15733 gold badges3030 silver badges3232 bronze badges answered Nov 11 '13 at 15:09 lonesomedaylonesomeday ...
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Boolean Field in Oracle

...as JDBC, OCCI, and other programming environments, it's better to select 0 for false and 1 for true so it can work correctly with the getBoolean and setBoolean functions. Basically they advocate method number 2, for efficiency's sake, using values of 0/1 (because of interoperability with JD...
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print call stack in C or C++

... 80 For a linux-only solution you can use backtrace(3) that simply returns an array of void * (in fa...
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How to generate a random string in Ruby

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How to calculate cumulative normal distribution?

...le: >>> from scipy.stats import norm >>> norm.cdf(1.96) 0.9750021048517795 >>> norm.cdf(-1.96) 0.024997895148220435 In other words, approximately 95% of the standard normal interval lies within two standard deviations, centered on a standard mean of zero. If you need t...
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efficient circular buffer?

... 206 I would use collections.deque with a maxlen arg >>> import collections >>> d...